Downloading an IPL.bin from the internet is considered by Nintendo. Furthermore, many files found online are corrupted or come from the wrong region, leading to crashes or "incorrect hash" errors.
The official system menu allows you to manage save files on virtual memory cards, which is more reliable than some emulation-based alternatives. How to Safely Obtain ipl.bin gamecube ipl.bin download
Insert the SD card into the Wii and open the Homebrew Channel. Downloading an IPL
There are two primary methods for dumping the BIOS from a console you own. Both require you to have a soft-modded or a GameCube capable of running homebrew software. How to Safely Obtain ipl
The Ultimate Guide to GameCube ipl.bin: What It Is, Why You Need It, and How to Get It
Follow the on-screen prompts (usually pressing 'A') to begin the dump.